Spool tool



FIG. 1 is a perspective view of a spool tool according to the disclosure;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines represent environment and form no part of the claim. 

CLAIM I claim the ornamental design for a spool tool, as shown and described. 